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drivers: tty: Mark the functions as static in n_gsm.c

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Marks the functions gsm_cleanup_mux(), gsm_activate_mux(),
gsm_free_mux(), gsm_alloc_mux() and gsm_change_mtu() as static in
n_gsm.c because they are not used outside this file.

Also, drop the EXPORT_SYMBOL_GPL for the above mentioned functions
because nothing else in the kernel calls them.

This eliminates the following warnings in n_gsm.c:
drivers/tty/n_gsm.c:2022:6: warning: no previous prototype for ‘gsm_cleanup_mux’ [-Wmissing-prototypes]
drivers/tty/n_gsm.c:2076:5: warning: no previous prototype for ‘gsm_activate_mux’ [-Wmissing-prototypes]
drivers/tty/n_gsm.c:2120:6: warning: no previous prototype for ‘gsm_free_mux’ [-Wmissing-prototypes]
drivers/tty/n_gsm.c:2156:17: warning: no previous prototype for ‘gsm_alloc_mux’ [-Wmissing-prototypes]
drivers/tty/n_gsm.c:2714:5: warning: no previous prototype for ‘gsm_change_mtu’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rashika Kheria 2013-12-16 16:28:24 +05:30 committed by Greg Kroah-Hartman
parent c25a1ad707
commit 54af58363e
1 changed files with 5 additions and 9 deletions
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14
drivers/tty/n_gsm.c
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@ -2020,7 +2020,7 @@ static void gsm_error(struct gsm_mux *gsm,
* and then shut down each device hanging up the channels as we go.
*/
void gsm_cleanup_mux(struct gsm_mux *gsm)
static void gsm_cleanup_mux(struct gsm_mux *gsm)
{
int i;
struct gsm_dlci *dlci = gsm->dlci[0];
@ -2065,7 +2065,6 @@ void gsm_cleanup_mux(struct gsm_mux *gsm)
kfree(txq);
INIT_LIST_HEAD(&gsm->tx_list);
}
EXPORT_SYMBOL_GPL(gsm_cleanup_mux);
/**
* gsm_activate_mux - generic GSM setup
@ -2076,7 +2075,7 @@ EXPORT_SYMBOL_GPL(gsm_cleanup_mux);
* finally kick off connecting to DLCI 0 on the modem.
*/
int gsm_activate_mux(struct gsm_mux *gsm)
static int gsm_activate_mux(struct gsm_mux *gsm)
{
struct gsm_dlci *dlci;
int i = 0;
@ -2112,7 +2111,6 @@ int gsm_activate_mux(struct gsm_mux *gsm)
gsm->dead = 0; /* Tty opens are now permissible */
return 0;
}
EXPORT_SYMBOL_GPL(gsm_activate_mux);
/**
* gsm_free_mux - free up a mux
@ -2120,13 +2118,12 @@ EXPORT_SYMBOL_GPL(gsm_activate_mux);
*
* Dispose of allocated resources for a dead mux
*/
void gsm_free_mux(struct gsm_mux *gsm)
static void gsm_free_mux(struct gsm_mux *gsm)
{
kfree(gsm->txframe);
kfree(gsm->buf);
kfree(gsm);
}
EXPORT_SYMBOL_GPL(gsm_free_mux);
/**
* gsm_free_muxr - free up a mux
@ -2156,7 +2153,7 @@ static inline void mux_put(struct gsm_mux *gsm)
* Creates a new mux ready for activation.
*/
struct gsm_mux *gsm_alloc_mux(void)
static struct gsm_mux *gsm_alloc_mux(void)
{
struct gsm_mux *gsm = kzalloc(sizeof(struct gsm_mux), GFP_KERNEL);
if (gsm == NULL)
@ -2189,7 +2186,6 @@ struct gsm_mux *gsm_alloc_mux(void)
return gsm;
}
EXPORT_SYMBOL_GPL(gsm_alloc_mux);
/**
* gsmld_output - write to link
@ -2716,7 +2712,7 @@ static void gsm_mux_rx_netchar(struct gsm_dlci *dlci,
return;
}
int gsm_change_mtu(struct net_device *net, int new_mtu)
static int gsm_change_mtu(struct net_device *net, int new_mtu)
{
struct gsm_mux_net *mux_net = (struct gsm_mux_net *)netdev_priv(net);
if ((new_mtu < 8) || (new_mtu > mux_net->dlci->gsm->mtu))